"Every time the lights go out, someone dies ... The Tardis lands at an academy for top athletes, all hoping to be chosen for the forthcoming Globe Games. But is one of them driven enough to resort to murder? The Doctor discovers that the students have been hushing up unexplained deaths. Teaming up with a young swimmer called Emma, the Doctor begins to investigate - but he doesn't expect to find a squad of Sontarans invading the academy! As the Sontarans...

"Oslo, 2018. Former long-distance runner Sonja Nordstrøm never shows at the launch of her controversial autobiography, Always Number One. When celebrity blogger Emma Ramm visits Nordstrøm's home later that day, she finds the door unlocked and signs of a struggle inside. A bib with the number 'one' has been pinned to the TV.Police officer Alexander Blix is appointed to head up the missing-persons investigation, but he still bears the emotional scars...